Answer:
8 classes
Step-by-step explanation:
Given



Required
The number of class
To calculate the number of class, the following must be true

Where k is the number of classes
So, we have:

Take logarithm of both sides

Apply law of logarithm

Divide both sides by log(2)


Round up to get the least number of classes

Irrational numbers cannot be represented by a ratio of two integers.
All whole numbers, however, can. This can be done by placing the number over 1. For example 0/1, 34/1, 173635278/1.
Answer:
Step-by-step explanation:
3/3-5=3/-2
Step-by-step explanation:
= 23 × 11 - 23 × 10
= 23 ( 11 - 10)
= 23 ( 1)
= 23
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